Neeltje Poulina Koers 1919–… | | |
| | Ir. Johannes Borkhuis 1923–2003 | | |
| | Adriana Peterke Struik 1924–1983 | | |
| | Christiaan Koers 1888–1986 Catharina de Bie 1885–1960 | | |
Gijsbertus Koers 1889–1933 | | |
| | Poulina Jakomina van Rangelrooij 1864–1903 | | | | | | | | Johanna van Deventer 1774–1859 | | |
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| | | Christiaan van Rangelrooij 1829–1891 Johanna van Diggelen 1828–1900 | | | | Adrianus van Rangelrooij …–… |
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